Problems

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Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
0-1 Sequences 1920 368 19% 0.01 445 265 60% 6.2
10 Kinds of People 3211 705 22% 0.01 566 385 68% 5.1
2048 3045 1540 51% 0.00 1478 1268 86% 2.3
3D Printed Statues 698 375 54% 0.00 310 280 90% 2.0
3D Printer 128 35 27% 0.00 42 28 67% 5.3
3-Sided Dice 733 50 7% 0.00 129 42 33% 8.7
4 thought 2526 870 34% 0.00 878 724 82% 2.9
A1 Paper 1813 559 31% 0.00 554 431 78% 3.8
Aaah! 9816 4824 49% 0.00 4139 3871 94% 1.4
ABC 1892 931 49% 0.00 908 821 90% 1.7
A+B Problem 2236 235 11% 0.06 371 130 35% 8.3
Absurdistan Roads II 419 148 35% 0.00 140 93 66% 6.9
Absurdistan Roads III 915 228 25% 0.04 222 159 72% 6.1
A Classy Problem 2481 693 28% 0.02 643 512 80% 4.0
ACM Contest Scoring 2490 1550 62% 0.00 1391 1322 95% 1.4
Adding Words 3103 651 21% 0.00 745 532 71% 4.1
A Different List Game 3807 275 7% 0.00 448 84 19% 9.1
A Different Problem 11670 4795 41% 0.00 4438 3860 87% 1.9
Adjoin the Networks 861 238 28% 0.00 205 152 74% 6.1
Administrative Difficulties 350 88 25% 0.04 103 71 69% 5.1
Adventures in Moving -- Part IV 479 151 32% 0.00 138 117 85% 4.8
A Favourable Ending 604 109 18% 0.01 142 90 63% 5.1
A Feast For Cats 590 196 33% 0.56 154 126 82% 4.6
Air Conditioned Minions 1706 479 28% 0.00 520 385 74% 4.2
Airline Hub 1081 210 19% 0.01 203 125 62% 5.9
Airport Construction 1623 187 12% 0.05 155 86 55% 6.3
Airport Logistics 36 7 19% 0.00 12 7 58% 8.1
Airports 129 44 34% 0.22 37 29 78% 5.7
Akcija 1585 706 45% 0.01 659 574 87% 2.2
Aladin 593 49 8% 0.17 87 14 16% 8.8
Alchemy 31 8 26% 0.03 17 8 47% 8.0
Alea iacta est 22 11 50% 0.47 11 10 91% 5.1
Alien Numbers 955 491 51% 0.00 475 435 92% 1.8
A List Game 3486 1005 29% 0.00 952 779 82% 3.3
All about that base 1622 588 36% 0.00 638 524 82% 2.9
All Different Directions 315 153 49% 0.00 157 137 87% 2.7
Allergy Test 166 57 34% 0.00 40 23 57% 6.6
All Friends 461 93 20% 0.01 70 41 59% 8.2
All Just A Dream 729 181 25% 0.07 114 85 75% 4.9
All Pairs Shortest Path 2386 453 19% 0.03 308 199 65% 6.6
Almost Perfect 2095 512 24% 0.00 547 423 77% 3.3
Almost Union-Find 2892 392 14% 0.03 470 214 46% 7.5
Alphabet Spam 2811 1831 65% 0.00 1227 1178 96% 1.4
Alternative Bracket Notation 157 67 43% 0.00 70 60 86% 5.2
Amalgamated Artichokes 2252 988 44% 0.01 884 775 88% 2.5
Amanda Lounges 820 205 25% 0.07 187 137 73% 6.0
Amazing Race 211 54 26% 0.54 61 43 70% 6.7
Ambiguous Result 99 29 29% 0.04 39 28 72% 7.1
Anagram Counting 1094 434 40% 0.00 434 357 82% 2.9
Andrew the Ant 65 22 34% 0.09 28 20 71% 5.0
Androids 262 90 34% 0.09 109 73 67% 5.6
A New Alphabet 4580 2095 46% 0.00 2007 1868 93% 1.6
Animal Classification 999 192 19% 0.04 194 124 64% 6.7
An Industrial Spy 777 424 55% 0.02 326 284 87% 3.1
Another Brick in the Wall 838 462 55% 0.00 461 415 90% 2.0
Another Candies 3400 914 27% 0.00 965 785 81% 2.9
Another Dice Game 57 40 70% 0.00 36 34 94% 3.6
Anthony and Cora 320 92 29% 0.01 107 72 67% 4.6
Antiarithmetic? 507 113 22% 0.18 150 93 62% 6.4
Ants 1143 462 40% 0.01 392 333 85% 2.8
Apaxiaaaaaaaaaaaans! 4074 2518 62% 0.00 2276 2181 96% 1.3
Apparatus 453 107 24% 0.01 87 64 74% 5.8
Apple Market 271 54 20% 0.19 67 31 46% 8.4
Apples, Cherries, and Mangos 230 73 32% 0.02 66 54 82% 5.7
Aquarium Tank 191 55 29% 0.00 57 43 75% 5.1
Aqueduct Construction 55 14 25% 0.01 16 13 81% 6.9
Arable Area 192 34 18% 0.08 42 24 57% 8.3
A Rational Sequence 654 245 37% 0.00 245 202 82% 3.9
A Rational Sequence 2 414 319 77% 0.00 315 305 97% 1.4
Arbitrage? 370 82 22% 0.05 66 53 80% 4.5
Arcade! 772 131 17% 0.01 136 96 71% 5.7
Arctic Network 796 297 37% 0.02 231 195 84% 4.1
A Real Challenge 2592 1278 49% 0.00 1244 1176 95% 1.4
Area of Effect 78 8 10% 4.74 13 6 46% 7.9
Arithmetic 633 146 23% 0.00 174 118 68% 5.0
Army Strength (Easy) 1502 800 53% 0.00 680 620 91% 1.9
Army Strength (Hard) 1840 870 47% 0.01 627 550 88% 2.5
Around and Around We Go 15 3 20% 0.00 7 3 43% 8.4
Around the Track 169 27 16% 0.00 39 19 49% 8.3
Arranging Hat 111 51 46% 0.10 51 44 86% 4.1
Artur 188 33 18% 0.15 43 26 60% 6.7
Artwork 405 138 34% 0.07 146 88 60% 6.1
A Safe Bet 151 47 31% 0.27 42 34 81% 5.9
ASCII Addition 31 20 65% 0.00 17 17 100% 2.6
ASCII Figure Rotation 811 235 29% 0.00 254 214 84% 3.7
As Easy as CAB 175 43 25% 0.00 43 32 74% 5.9
Aspen Avenue 727 255 35% 0.01 158 113 72% 6.4
Assembly Line 32 13 41% 0.68 15 11 73% 6.6
Assigning Workstations 781 247 32% 0.06 251 189 75% 4.9
Association for Computing Machinery 1094 438 40% 0.00 427 372 87% 2.1
Association for Control Over Minds 640 220 34% 0.08 222 183 82% 4.0
Association for Convex Main Office 386 97 25% 0.08 98 78 80% 6.2
Association for Cool Machineries (Part 1) 519 102 20% 0.04 134 86 64% 7.0
Association for Cool Machineries (Part 2) 33 21 64% 0.00 21 19 90% 4.1
Association for the Country of Mububa 1045 228 22% 0.00 278 174 63% 6.3
Association of Camera Makers 105 5 5% 10.56 8 5 62% 8.4
Association of Cats and Magical Lights 1088 237 22% 0.23 216 161 75% 5.4
Association of Computer Maintenance 743 89 12% 0.04 76 45 59% 7.9
Asteroid Rangers 70 35 50% 0.10 26 24 92% 5.4
Asteroids 498 95 19% 0.00 52 43 83% 4.5